Spain broke open a close game in the third quarter and defeated Sweden 82-66 in their Group E clash.
Leading just 40-36 at the break, the Spanish blew the game wide open and went in front by 20 points in the third quarter.
Sweden chipped away at the deficit and pulled to within nine points in the fourth quarter, only for Spain to shut down the tournament hosts over the last four minutes as they claimed their fifth win.
"This was our most difficult game so far," said Spain coach Carlos Colinas. "Not only because Sweden are a good team and they played at home but because we had beaten them twice in friendlies before the tournament.
"Sweden are a very difficult team to defend because of their versatile players.
|Vega Gimeno was impressive again with 21 pts and 8 rbs|
"We knew we couldn't let them dictate the game.
"Fortunately, we took an advantage in the third quarter and we were able to manage it until the end."
Vega Gimeno had a game-high 21 points for Spain while teammate Doukole Ble contributed with 10 and pulled down 17 rebounds.
Sweden struggled from long range, making just six of 24 (25%) while Spain finished five of 14 (35.7%) from behind the arc.
Spain out-rebounded Sweden 46-26.
Having led all scorers at half-time with 12 points, Sweden star Farhiya Abdi didn't add to her tally.